Prosečne GPS koordinate za poštanski broj 409-911: 37.952, 124.652

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Spisak gradova:
>> Baekryeong-myeon/백령면 409-911, Incheon/인천, Ongjin-gun/옹진군, Gaeulli/가을1리, GPS koordinate: 37.95161,124.65244
>> Baekryeong-myeon/백령면 409-911, Incheon/인천, Ongjin-gun/옹진군, Gaeur ri 1/가을2리, GPS koordinate: 37.95164,124.65247
>> Baekryeong-myeon/백령면 409-911, Incheon/인천, Ongjin-gun/옹진군, Gaeur ri 2/가을리, GPS koordinate: 37.95161,124.65244
>> Baekryeong-myeon/백령면 409-911, Incheon/인천, Ongjin-gun/옹진군, Nampori/남포리, GPS koordinate: 37.95159,124.65242
>> Baekryeong-myeon/백령면 409-911, Incheon/인천, Ongjin-gun/옹진군, Yeonhwari/연화리, GPS koordinate: 37.95163,124.65246